/Engine/Source/Runtime/Core/Public/GenericPlatform/GenericPlatformProcess.h
Allows a platform to override the threading configuration for reference collection
static void ModifyThreadAssignmentForUObjectReferenceCollector ( int32 & NumThreads, int32 & NumBackgroundThreads, [ENamedThreads::Type](API\Runtime\Core\Async\ENamedThreads__Type) & NormalThreadName, [ENamedThreads::Type](API\Runtime\Core\Async\ENamedThreads__Type) & BackgroundThreadName )